Inventor
David J. Marshall
Inventor
Madison, WI, US
Overview
Patents· 47 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C12Qprimary
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms21%
A47GHousehold or table equipment19%
B65CLabelling or tagging machines, apparatus, or processes14%
Y10TTechnical subjects covered by former us classification11%
H03KPulse technique8%
G09FDisplaying7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
H04LTransmission of digital information, e.g. telegraphic communication4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes3%
C12NMicroorganisms or enzymes1%
PatentTitleYear
10,240,189Solid support assay systems and methods utilizing non-standard bases20199,611,509'Materials and methods for detection of nucleic acids'20178,969,047'Solid support assay systems and methods utilizing non-standard bases'20158,519,117'Materials and methods for detection of nucleic acids'20138,518,671'Solid support assay systems and methods utilizing non-standard bases'20138,313,932'Polymerase inhibitor and method of using same'20128,290,849'Method and system for administering the hedging of an employee deferred compensation plan using swaps'20128,217,160'Solid support assay systems and methods utilizing non-standard bases'20127,892,796'Solid support assay systems and methods utilizing non-standard bases'20117,820,808'Polymerase inhibitor and method of using same'20107,541,147'Materials and methods for detection of nucleic acids'20097,517,651'Materials and methods for detection of nucleic acids'20097,514,212'Nucleic acid amplification using non-standard bases'20097,422,850'Materials and methods for detection of nucleic acids'20086,977,161'Solid support assay systems and methods utilizing non-standard bases'20056,972,590'Data bus with separate matched line impedances and method of matching line impedances'20056,913,881'Methods and compositions for detecting target sequences'20056,876,224'Method and apparatus for high speed bus having adjustable, symmetrical, edge-rate controlled, waveforms'20056,836,127'Dual switching reference voltages'20046,828,828'Dynamic control of switching reference voltage'20046,825,699'Charge pump circuit, passive buffer that employs the charge pump circuit, and pass gate that employs the charge pump circuit'20046,798,254'Dynamic control of switching reference voltage'20046,766,303'Method for hedging one or more liabilities associated with a deferred compensation plan'20046,756,862'Six-drop bus with matched response'20046,705,496'Indicator attachment mechanism and method and apparatus for removing indicators from hangers'20046,624,686'Method and apparatus for saving power in dynamic circuits'20036,421,910'Apparatus for removing indicators from hangers'20026,289,569'Method for removing indicators from hangers'20015,884,422'Indicator and garment hanger'19995,857,276'Hanger hook for a garment hanger with indicator'19995,794,363'Hanger hook for a garment hanger with indicator'19985,775,553'Indicator attachment mechanism'1998D0382145'Bookcase fa.cedilla.ade'19975,628,132'Indicator and garment hanger'19975,604,975'Automatic apparatus for assembling hangers with indexing caps'19975,568,685'Manually actuated apparatus for assembling hangers with indexing caps'19965,507,086'Method for assembling clothes hangers with index-coded caps'19965,388,354'Indicators for garment hangers'19955,285,566'System for assembling clothes hangers with index-coded caps'19945,272,806'Machine for injection molding and stacking indexing caps for clothes hangers'1993D0341947'Indicator for garment hangers'1993D0332180'Combined hanger hook and indicator'1993D0329754'Garment hanger'1992D0303325'Garment hanger'1989D0301808'Garment hanger'1989D0296046'Hanger for footwear or similar articles'1988D0283854'Garment hanger'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2004Patents assigned to SPOTLESS PLASTICS PTY LTD (15)· patent assignee history
1986–1995Based in Doncaster, AU· patent location history
1993–1999Based in Victoria, AU· patent location history
1997–2013Patents assigned to MARSHALL DAVID J (6)· patent assignee history
1998–2004Based in Bulleen, AU· patent location history
2003–2005Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (8)· patent assignee history
2003–2005Based in Fort Collins, CO, US· patent location history
2005–2012Patents assigned to ERAGEN BIOSCIENCES INC (8)· patent assignee history
2005–2019Based in Madison, WI, US· patent location history
2012–2019Patents assigned to LUMINEX CORP (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SPOTLESS PLASTICS PTY LTD | 15 | 1986–2004 |
| ERAGEN BIOSCIENCES INC | 8 | 2005–2012 |
| HEWLETT PACKARD DEVELOPMENT CO | 8 | 2003–2005 |
| LUMINEX CORP | 6 | 2012–2019 |
| MARSHALL DAVID Jself | 6 | 1997–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Madison, WI, US | 15 | 2005–2019 |
| Victoria, AU | 9 | 1993–1999 |
| Fort Collins, CO, US | 8 | 2003–2005 |
| Doncaster, AU | 8 | 1986–1995 |
| Bulleen, AU | 4 | 1998–2004 |